The Zipp stem top cap and bolt are designed to work specifically with Zipp stems to add the finishing touch to your cockpit.8g aluminum cap and 9g bolt The bolt has a T25 Torx head for ease of adjustment and so you need only one tool for your cockpit Material: Cap 6000 series Al Steel Bolt
| Color | Black |
| Includes Star Nut | No |
| Defined Color | Black |
| S.H.I.S. Stem Clamp Diameter | 28.6 |
